Astronomers have found four new moons orbiting Jupiter and 11 new moons around Saturn.

A new set of tiny moons has been identified around Jupiter and Saturn, quietly increasing their already vast satellite ...

The James Webb Space Telescope reveals active volcanoes on Io in unprecedented detail thanks to an innovative technique.

Add Yahoo as a preferred source to see more of our stories on Google. Jupiter, the biggest planet in our solar system, is not as big as we thought. For more than half-a-century, astronomers thought ...

Using the Webb telescope, scientists discovered an unexpectedly cold, dense region within Io’s auroral footprint in Jupiter’s northern lights.

An image of Jupiter in space, a gas planet with stripes of brown, white, red, and orange - Alones/Shutterstock Jupiter is the largest planet in the Solar System, a gas giant so massive in scale that ...